Home / 13,634.73-20,425.37-7,065.23

Finding the Fourth Proportional to 13,634.73, 20,425.37 and 7,065.23

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Solution

The fourth proportional to 13,634.73, 20,425.37 and 7,065.23 is: 10,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.73 : 20,425.37 = 7,065.23 : x
  2. Step 2: Convert to fraction form
    13,634.73/20,425.37 = 7,065.23/x
  3. Step 3: Cross multiply
    13,634.73x = 20,425.37 × 7,065.23
  4. Step 4: Simplify right side
    13,634.73x = 144,309,799.43
  5. Step 5: Solve for x
    x = 144,309,799.43/13,634.73
  6. Step 6: Final answer
    x = 10,583.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.